OnePowerGuard

One Power Guard is a battery protection software to solve your power problems, it is simple enough for an Android beginner to understand, yet powerful enough for advanced users. It's an essential utility in every root user's toolbox.
One Power Guard, an AMAZING product, saves energy for your Android device under the all circumstances. It greatly enhances device performance, improves battery, and powers up standby time and battery life by optimizing system kernel and cpu, avoid phone overheating, shutting down useless programs, preventing from energy-consuming apps, initiating deep-sleep mode, adjusting Wifi parameters, optimizing charging parameters and pacing up setting change , etc.
First of all, I would like to ask you to tell me, what are you using android biggest problem，Many people complained to me a lot of problems.such as: system halted, application crashes, boot slow, battery issues and so on. same experience I've encountered.